Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. None of these Hexagonal close packed (hcp) Face centred cubic (fcc) Body centred cubic (bcc) None of these Hexagonal close packed (hcp) Face centred cubic (fcc) Body centred cubic (bcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Scale formation Warpage Segregation Local hardening Scale formation Warpage Segregation Local hardening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Troostite Martensite Bainite Sorbite Troostite Martensite Bainite Sorbite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Specific __________ is a dimensionless quantity. Humidity Heat Weight None of these Humidity Heat Weight None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Abrasion resistant Prone to season cracking Corrosion resistant Machinable Abrasion resistant Prone to season cracking Corrosion resistant Machinable ANSWER DOWNLOAD EXAMIANS APP
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